FNUS75 KBOU 300411 FWSBOU SPOT FORECAST FOR UPPER CO RIVER...USFS NATIONAL WEATHER SERVICE DENVER CO 906 PM MST TUE NOV 29 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN APPROACHING STORM SYSTEM WILL MOVE INTO THE GREAT BASIN BY WEDNESDAY EVENING. AHEAD OF THIS FEATURE...MILD AND BREEZY CONDITIONS CAN BE EXPECTED ON WEDNESDAY. THIS WILL PROMOTE VERY GOOD SMOKE DISPERSION IN THE AFTERNOON HOURS. SNOW IS EXPECTED TO DEVELOP WEDNESDAY EVENING AS THE WEATHER SYSTEM AND ASSOCIATED COLD FRONT MOVE INTO THE STATE. THERE IS POTENTIAL FOR GUSTY NORTH TO NORTHEAST WINDS AS THE HEART OF THE STORM SYSTEM DRIVES INTO THE DESERT SOUTHWEST. TEMPERATURES WILL TURN COLDER AS WELL. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY(35-45%). MIN TEMPERATURE.....17. MAX HUMIDITY........67%. 20-FOOT WINDS.......NORTHWEST WINDS 6-10 MPH. TRANSPORT WINDS.....WEST 16-20 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........4 LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200...THEN MOSTLY CLOUDY(50-60%). SLIGHT CHANCE OF SNOW AFTER 1400. MAX TEMPERATURE.....38. MIN HUMIDITY........33%. 20-FOOT WINDS.......SOUTHWEST WINDS 12-18 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 29-40 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900...THEN 3400-4400 FT AGL. SMOKE DISPERSAL.....POOR UNTIL 1000...THEN GOOD UNTIL 1200...THEN VERY GOOD UNTIL 1300...THEN EXCELLENT UNTIL 1600...THEN VERY GOOD UNTIL 1700...THEN GOOD. HAINES INDEX........4 LOW. .WEDNESDAY NIGHT... SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 2300...THEN SNOW. MIN TEMPERATURE.....7. MAX HUMIDITY........92%. 20-FOOT WINDS.......WEST WINDS 7-13 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 2400...THEN WEST 5-12 MPH UNTIL 0300...THEN NORTH 12-16 MPH WITH GUSTS TO 25 MPH. TRANSPORT WINDS.....WEST 8-16 MPH UNTIL 2400...THEN NORTH 13-24 MPH. MIXING HEIGHT.......2200-3000 FT AGL UNTIL 2000...THEN 1400 FT AGL UNTIL 2100...THEN 2400-3400 FT AGL. SMOKE DISPERSAL.....GOOD UNTIL 1900...THEN POOR UNTIL 0400...THEN FAIR. HAINES INDEX........2 VERY LOW. .THURSDAY... SKY/WEATHER.........CLOUDY. SNOW UNTIL 1700...THEN CHANCE OF SNOW. MAX TEMPERATURE.....14. MIN HUMIDITY........66%. 20-FOOT WINDS.......NORTHEAST WINDS 13-23 MPH WITH GUSTS TO 30 MPH. TRANSPORT WINDS.....NORTHEAST 20-28 MPH. MIXING HEIGHT.......2800-3800 FT AGL. SMOKE DISPERSAL.....FAIR UNTIL 0900...THEN GOOD UNTIL 1600...THEN FAIR UNTIL 1700...THEN POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. NOT AS COLD. LOWS AROUND 1 BELOW. HIGHS IN THE UPPER 20S. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SATURDAY...MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 1800...THEN SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 1. HIGHS AROUND 12. TYPICAL SLOPE/VALLEY WINDS LESS THAN 10 MPH. .SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 1. HIGHS AROUND 19. WEST WINDS AROUND 9 MPH. .MONDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1800. LOWS AROUND 7. HIGHS IN THE LOWER 20S. WEST WINDS AROUND 11 MPH WITH GUSTS TO 20 MPH. FIRE WEATHER TABLE FOR UPPER CO RIVER. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP WR AT RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 11/29-21 37 0 0 24 56 NW 8 8 4 1 NW33 472 W15 6335 P 11/29-22 37 0 0 23 56 NW 8 8 4 1 NW36 401 W16 5436 P 11/29-23 37 0 0 22 57 NW 8 8 4 1 W38 329 W16 4537 P 11/30-00 37 0 0 21 58 NW 8 8 3 1 W38 308 W17 4521 P 11/30-01 37 0 0 20 60 NW 8 8 3 1 W39 288 W18 4505 P 11/30-02 37 0 0 20 60 NW 8 8 2 1 NW40 267 W20 4489 P 11/30-03 37 0 0 19 58 NW 8 8 2 1 W44 250 W20 4235 P 11/30-04 37 0 0 18 57 NW 9 9 3 1 W48 233 W20 3981 P 11/30-05 38 0 0 18 57 NW 9 9 3 1 W52 215 W20 3727 P 11/30-06 38 0 0 18 57 NW 9 9 3 1 W54 223 W20 3888 P 11/30-07 38 0 0 17 62 NW 9 9 4 1 W56 231 W20 4048 P 11/30-08 38 0 0 17 67 W 8 8 4 1 W58 239 W21 4209 P 11/30-09 38 0 0 18 68 W 8 8 4 1 W58 1036 W28 35890 P 11/30-10 38 0 0 22 61 W10 17 4 1 W58 1832 W36 67570 G 11/30-11 57 0 0 29 46 SW11 18 4 1 W59 2629 W44 99251 G 11/30-12 57 0 0 35 37 SW12 20 4 1 W63 3360 W44 129094 V 11/30-13 57 0 0 38 33 SW15 23 3 1 W69 4091 W45 158937 E 11/30-14 57 10 2 38 34 SW15 23 3 1 W73 4822 W45 188779 E 11/30-15 57 10 2 38 34 SW15 23 3 1 W76 4468 W39 156193 E 11/30-16 57 10 2 36 37 SW15 23 2 1 W77 4114 W33 123607 V 11/30-17 95 71 54 30 49 W14 21 2 1 W76 3760 W28 91020 G 11/30-18 95 71 54 26 57 W12 17 2 1 W70 2942 W21 62999 G 11/30-19 95 71 54 23 66 W 8 8 2 1 W63 2125 W14 34978 P 11/30-20 95 71 54 20 75 W 3 3 2 1 SW55 1307 W 6 6957 P 11/30-21 95 71 54 19 79 W 2 2 2 1 SW60 3687 W14 43148 F 11/30-22 95 71 54 17 82 W 2 2 2 1 SW55 3524 NW10 33933 P 11/30-23 99 85 76 17 84 W 3 3 2 1 SW51 3361 NW 8 24718 P 12/01-00 99 85 76 15 86 W 5 5 2 1 SW47 3022 NW10 25940 P 12/01-01 99 85 76 14 86 W 7 7 2 1 SW44 2684 N13 27163 P 12/01-02 99 85 76 13 86 NW 9 9 2 1 SW40 2345 N14 28386 P 12/01-03 99 85 76 12 86 N12 17 2 1 SW35 2314 N18 35728 P 12/01-04 99 85 76 11 85 N14 21 2 1 S29 2282 NE22 43070 F 12/01-05 95 85 76 10 87 NE16 24 2 1 S24 2251 NE25 50412 F 12/01-06 95 85 76 9 88 NE17 26 2 1 S23 2202 NE26 51296 F 12/01-07 95 85 76 8 92 NE18 29 2 1 S23 2153 NE28 52180 F 12/01-08 95 85 76 9 88 NE20 30 2 1 S24 2104 NE29 53063 F 12/01-09 95 85 76 10 80 NE21 31 2 1 S26 2599 NE29 64955 G 12/01-10 95 85 76 12 74 NE21 31 2 1 S28 3095 NE29 76846 G 12/01-11 90 80 68 13 70 NE21 31 2 1 S30 3591 NE29 88737 G 12/01-12 90 80 68 13 69 NE21 30 2 1 S31 3718 NE26 85832 G 12/01-13 90 80 68 14 69 NE20 29 2 1 S32 3845 NE25 82927 G 12/01-14 90 80 68 14 69 NE18 28 2 1 S31 3972 NE23 80022 G 12/01-15 90 80 68 13 67 NE17 26 2 1 SW28 3443 NE22 65755 G 12/01-16 90 80 68 12 66 NE16 24 2 1 SW22 2914 NE20 51487 F 12/01-17 64 25 5 9 73 E15 23 2 1 SW16 2385 NE18 37220 P 12/01-18 64 25 5 7 79 E13 20 2 1 SW12 1936 E15 27677 P 12/01-19 64 25 5 5 84 E10 15 2 1 SW 7 1487 E13 18134 P 12/01-20 64 25 5 4 85 E 8 8 2 1 SW 3 1039 E 9 8591 P 12/01-21 64 25 5 3 82 E 7 7 2 1 W 2 918 E 9 7091 P 12/01-22 64 25 5 3 76 E 6 6 2 1 N 3 798 E 8 5591 P 12/01-23 43 8 2 2 72 E 6 6 2 1 N 5 677 E 7 4090 P 12/02-00 43 8 2 2 72 E 6 6 2 1 N 5 525 E 6 3013 P 12/02-01 43 8 2 1 74 SE 5 5 2 1 N 6 372 SE 6 1937 P 12/02-02 43 8 2 0 76 SE 5 5 2 1 N 6 220 SE 5 860 P 12/02-03 43 8 2 0 76 SE 3 3 2 1 NE 6 193 SE 3 612 P 12/02-04 43 8 2 -1 76 SE 3 3 2 1 NE 6 166 SE 2 364 P 12/02-05 28 3 1 -1 78 SE 2 2 2 1 NE 6 139 CALM 116 P 12/02-06 28 3 1 -2 80 E 2 2 2 1 NE 6 148 CALM 222 P 12/02-07 28 3 1 -1 79 NE 2 2 2 1 E 7 157 NE 2 329 P 12/02-08 28 3 1 3 74 N 2 2 2 1 E 8 166 N 3 435 P 12/02-09 28 3 1 10 66 N 2 2 2 1 E 7 1517 N 2 1911 P 12/02-10 28 3 1 17 63 W 2 2 2 1 E 7 2869 NE 2 3387 P 12/02-11 42 6 1 21 62 W 2 2 2 1 NE 6 4220 CALM 4863 P 12/02-12 42 6 1 25 59 W 3 3 2 1 E 5 4742 NE 2 10144 P 12/02-13 42 6 1 26 57 W 5 5 2 1 E 5 5264 N 3 15425 P 12/02-14 42 6 1 27 54 NW 6 6 2 1 E 5 5786 N 5 20705 P 12/02-15 42 6 1 26 52 NW 6 6 2 1 E 3 5113 N 6 22561 P 12/02-16 42 6 1 25 52 NW 6 6 2 1 E 2 4441 N 7 24417 P 12/02-17 55 21 4 20 58 NW 5 5 2 1 NE 2 3768 N 8 26273 P KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION 0.01 INCH /PERCENT/ WR - PROBABILITY OF WETTING RAIN 0.1 INCH /PERCENT/ AT - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E- EXCELLENT $$ FORECASTER...WFO BOULDER REQUESTED BY...JEFF SINGER REASON FOR REQUEST...PRESCRIBED .TAG 20111130.UPPER.01/BOU